On Sep 5, 2013, at 11:56 AM, xingqiu yuan <xingqiuy...@gmail.com> wrote:
> Hi ALL > > MPI_COMM_CREATE takes a substantial amount of time on large communicators, > any good ideas to reduce the time consuming on large communicators? Which MPI binding you use can make a difference too, try another one (or two) and see how the performance compares on that call (and other user created communicator calls perform). charlie _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
